Run gvim/vim tests in parallel (#469)

https://github.blog/changelog/2026-06-25-actions-steps-can-now-be-run-in-parallel/

Author: k-takata

.github/workflows/build-vim.yml

@@ -687,54 +687,44 @@ jobs:
 #      run: |
 #        ping -n 3600 localhost>nul
 
-    - name: Test gvim/vim and show the result of gvim tests
-      shell: cmd
-      timeout-minutes: 30
-      run: |
-        path %LUA_DIR%;%PERL_DIR%\bin;%PYTHON3_DIR%;%PYTHON2_DIR%;%RUBY_DIR%\bin;%RUBY_DIR%\bin\ruby_builtin_dlls;%GETTEXT_DIR%;%RACKET_DIR%;%RACKET_DIR%\lib;%path%
-        set "PLTCOLLECTS=%RACKET_DIR%\collects"
-        set "PLTCONFIGDIR=%RACKET_DIR%\etc"
+    - parallel:
+      # Run gvim tests and vim tests in parallel
+
+      - name: Test gvim
+        shell: cmd
+        timeout-minutes: 30
+        run: |
+          path %LUA_DIR%;%PERL_DIR%\bin;%PYTHON3_DIR%;%PYTHON2_DIR%;%RUBY_DIR%\bin;%RUBY_DIR%\bin\ruby_builtin_dlls;%GETTEXT_DIR%;%RACKET_DIR%;%RACKET_DIR%\lib;%path%
+          set "PLTCOLLECTS=%RACKET_DIR%\collects"
+          set "PLTCONFIGDIR=%RACKET_DIR%\etc"
+
+          if "${{ matrix.arch }}"=="arm64" (
+            set "TEST_SKIP_PAT=%TEST_SKIP_PAT_ARM64%"
+          )
 
-        if "${{ matrix.arch }}"=="arm64" (
-          set "TEST_SKIP_PAT=%TEST_SKIP_PAT_ARM64%"
-        )
+          call vim\src\msvc-latest ${{ matrix.vcarch }}
 
-        call vim\src\msvc-latest ${{ matrix.vcarch }}
-        cd vim
+          echo %COL_GREEN%Test gvim:%COL_RESET%
+          cd vim\src\testdir
+          nmake -nologo -f Make_mvc.mak VIMPROG=..\gvim || exit 1
 
-        echo %COL_GREEN%Start testing vim in background.%COL_RESET%
-        start cmd /c "cd src2\testdir & nmake -nologo -f Make_mvc.mak VIMPROG=..\..\src\vim > nul & echo done>done.txt"
+      - name: Test vim
+        shell: cmd
+        timeout-minutes: 30
+        run: |
+          path %LUA_DIR%;%PERL_DIR%\bin;%PYTHON3_DIR%;%PYTHON2_DIR%;%RUBY_DIR%\bin;%RUBY_DIR%\bin\ruby_builtin_dlls;%GETTEXT_DIR%;%RACKET_DIR%;%RACKET_DIR%\lib;%path%
+          set "PLTCOLLECTS=%RACKET_DIR%\collects"
+          set "PLTCONFIGDIR=%RACKET_DIR%\etc"
 
-        echo %COL_GREEN%Test gvim:%COL_RESET%
-        cd src\testdir
-        nmake -nologo -f Make_mvc.mak VIMPROG=..\gvim || exit 1
-        cd ..
+          if "${{ matrix.arch }}"=="arm64" (
+            set "TEST_SKIP_PAT=%TEST_SKIP_PAT_ARM64%"
+          )
 
-    - name: Show the result of vim tests
-      shell: cmd
-      timeout-minutes: 10
-      run: |
-        path %LUA_DIR%;%PERL_DIR%\bin;%PYTHON3_DIR%;%PYTHON2_DIR%;%RUBY_DIR%\bin;%RUBY_DIR%\bin\ruby_builtin_dlls;%GETTEXT_DIR%;%RACKET_DIR%;%RACKET_DIR%\lib;%path%
-        set "PLTCOLLECTS=%RACKET_DIR%\collects"
-        set "PLTCONFIGDIR=%RACKET_DIR%\etc"
-        call vim\src\msvc-latest ${{ matrix.vcarch }}
-        echo %COL_GREEN%Wait for vim tests to finish.%COL_RESET%
-        cd vim\src2\testdir
-        :: Wait about 10 minutes.
-        for /L %%i in (1,1,60) do (
-          if exist done.txt goto exitloop
-          ping -n 11 localhost > nul
-        )
-        set timeout=1
-        :exitloop
-
-        echo %COL_GREEN%Test results of vim:%COL_RESET%
-        if exist messages type messages
-        nmake -nologo -f Make_mvc.mak report VIMPROG=..\..\src\vim || exit 1
-        if "%timeout%"=="1" (
-          echo %COL_RED%Timed out.%COL_RESET%
-          exit 1
-        )
+          call vim\src\msvc-latest ${{ matrix.vcarch }}
+
+          echo %COL_GREEN%Test vim:%COL_RESET%
+          cd vim\src2\testdir
+          nmake -nologo -f Make_mvc.mak VIMPROG=..\..\src\vim || exit 1
 
     - name: Build Vim launcher
       shell: cmd